Crossbow Arrow Clip Replacement Without Top Accessory Removal
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Solution Overview
Problem
Existing crossbows require the removal of top-mounted accessories to replace the arrow clip, wasting time and complicating the process, especially with different dominant hand users.
Innovation Solution
The crossbow design features clip positioning mouths on both sides of the arrow clip accommodating groove and an auxiliary stopper to prevent sideways slipping, allowing for easy and secure arrow clip replacement from either side, facilitated by a guiding groove and elastic member for secure positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If arrow clip replacement is performed from the top of the bow, then the arrow clip can be replaced, but accessories mounted on the top must be removed first, wasting time
Solution Approach 1:
The arrow clip replacement function is segmented from the top accessory mounting area. The bow body is divided into distinct functional zones: the top accessory portion for mounting sights and other accessories, and the grip portion with laterally accessible arrow clip accommodating groove for clip replacement. This segmentation allows independent access to each function without interference.
Solution Approach 2:
The arrow clip access is moved from the vertical dimension (top of bow) to the lateral dimension (sides of bow). The clip positioning mouths are formed on both sides of the grip portion, allowing users to insert and replace arrow clips from the lateral direction rather than having to access from the top, thus eliminating the need to remove top-mounted accessories.
2Ease of operation
If clip positioning mouths are provided on both sides of the arrow clip accommodating groove, then arrow clip replacement is easier and accommodates different dominant hands, but excessive force may cause the arrow clip to slip out from the other side
Solution Approach 1:
A stopper is provided that preliminarily prevents the arrow clip from slipping out through the opposite clip positioning mouth. The stopper is positioned to block the path that the arrow clip would take if pushed too hard, applying a preliminary restraining force before the slipping out can occur. This allows users to apply sufficient insertion force without worrying about the clip slipping out the other side.
Solution Approach 2:
The stopper acts as an intermediary element between the arrow clip and the bow body structure. It mediates the force application by the user, allowing lateral insertion from either side while preventing excessive force from causing the clip to slip out. The stopper translates the lateral insertion motion into secure positioning without transmitting harmful forces to the clip.
3Reliability
If a stopper is added to prevent arrow clip from slipping out, then reliability of arrow clip positioning is improved, but the device complexity increases
Solution Approach 1:
The stopper is merged with the existing bow body structure rather than being a separate, independent component. It is integrated into the grip portion or the arrow clip accommodating groove structure, combining the stopping function with the existing structural elements. This merging approach provides the necessary reliability without significantly increasing overall device complexity.
Data Source
AI summary
A crossbow includes a bow body with a grip and a top accessory portion. An arrow clip accommodating groove is formed between the top accessory portion and the grip portion. A clip positioning mouth is formed on each of two sides of the arrow clip accommodating groove. An arrow clip is movably positioned within the arrow clip accommodating groove. A stopper is movably installed on one side of the bow body and partially engages with one of the clip positioning mouths on the outer side. A stopper can be positioned according to the user's habit to stop on the opposite side of the preferred insertion side, so as to avoid the arrow clip from slipping out from the clip positioning mouth on the other side of the crossbow.